Chris Wilder received a pre-match vote of confidence from Sheffield United owner Prince Abdullah just before kick-off at St Mary's.
And that was pretty much where his afternoon peaked.
Another game brought another confidence-denting defeat for Wilder's struggling side and their wait for a first league win of the season goes on.
Redmond produced a fine finish just minutes after coming on as a substitute
MATCH FACTS
SOUTHAMPTON (4-4-2-): McCarthy 6; Walker-Peters 7, Vestergaard 7, Bednarek 7, Bertrand 7; Walcott 7 (Redmond 79, 6), Romeu 7 (Diallo 86, 6), Ward-Prowse 7.